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Popular Diesel Engine Specs

OM457 bolt torques, specifications and manuals


Useful information for owners and repairers of OM457 engines

OM457 Essential Diesel Engine Bolt Tightening Torques

Main Bearing Bolts 
step 1 = 100 Nm
step 2 = 200 Nm
step 3 = + 30°
step 4 = + 90-100°

Connecting Rod Bolts
Step 1	100 - 110 Nm	
Step 2	90° - 100°	

Cylinder head Bolts
Step 1	10 Nm	
Step 2	50 Nm	
Step 3	100 Nm	
Step 4	200 Nm	
Step 5	90°	
Step 6	90°	
* Check data sheet if new
bolts are fitted.

OM457 Diesel Engine Specs

Arrangement
OM457LA
6 Cylinder In-Line
4-stroke cycle
turbocharged
intercooled

Dimensions
length - 1365 mm
width 830 mm
heitht 1110 mm

Designations
German - English
A = Abgasturboaufgeladen - Turbocharged = T
L = ladeluftgekühlt - Intercooled = I
OM = Diesel engine = ADE

Displacement
11.97 liter, 730 CID

Compression ratio:
457LA 17.25:1

Weight approx:
920 kg, 2028 lb

Power 
OM457LA
265 kW @ 2100 rpm
242 kW @ 1800 rpm

Torque 
OM457LA
1600 Nm @ 1200 rpm

OM457 Diesel Engine workshop repair Manuals


Barrington Diesel Club
Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
© copyright Steve Barrington 2016

Page Revision #8.3RsC 10-17

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